Light List Flashcards

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1
Q

The light list lists every ATON maintianed or under the authority of the USCG.

A

Some buoys without lateral significance, such as special purpose, anchorage, fish net, or dredging are not included The correct answer is: False

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2
Q

Private ATON which are legally required to be established by the USCG 1. Class I 2. Class II 3. Class III

A

The correct answer is: Number 1 Class I

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3
Q

Private ATON located in waters used by general navigation. 1. Class I 2. Class II 3. Class III

A

The correct answer is: Number 2 Class II

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4
Q

Private ATON located in waters not ordinarily used by general navigation. 1. Class I 2. Class II 3. Class III

A

The correct answer is: Number 3 Class III

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5
Q

ATON are arranged _____ in geographic order. 1. clockwise 2. counterclockwise

A

If there is no route leading to seaward, ATON are generally arranged clockwise around land masses. The correct answer is: Number 1 clockwise

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6
Q

RACONs are listed…. 1. BOLD UPPERCASE 2. Bold Lowercase 3. UPPER CASE 4. Italicized 5. Lowercase

A

The correct answer is: Number 1 BOLD UPPERCASE

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7
Q

Seacoast and Secondary Lights are listed…. 1. BOLD UPPERCASE 2. Bold Lowercase 3. UPPER CASE 4. Italicized 5. Lowercase

A

The correct answer is: Number 2 Bold Lowercase

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8
Q

Sound Signals are listed…. 1. BOLD UPPERCASE 2. Bold Lowercase 3. UPPER CASE 4. Italicized 5. Lowercase

A

The correct answer is: Number 2 Bold Lowercase

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9
Q

River, Harbor and Other Lights are listed…. 1. BOLD UPPERCASE 2. Bold Lowercase 3. UPPER CASE 4. Italicized 5. Lowercase

A

The correct answer is: Number 3 UPPER CASE

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10
Q

Lighted Buoys are listed…. 1. BOLD UPPERCASE 2. Bold Lowercase 3. UPPER CASE 4. Italicized 5. Lowercase

A

The correct answer is: Number 4 Italicized

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11
Q

Daybeacons and Unlighted Buoys are listed…. 1. BOLD UPPERCASE 2. Bold Lowercase 3. UPPER CASE 4. Italicized 5. Lowercase

A

The correct answer is: Number 5 Lowercase

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12
Q

The notice to mariners contains all available chart correction information.

A

Some small craft local information is only available in the LNM. The correct answer is: False

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13
Q

Weekly Notice to Mariners are prepared by jointly by the USCG and _____ and ____.

A

NGA and NOS

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14
Q

Charts and Coast PIlots are published by _____. 1. NOS 2. NOAA 3. USCG 4. NIMA

A

The correct answer is: Number 1 NOS

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15
Q

All U.S. waters are covered by IALA-B.

A

Possessions West of the Dateline and south of 10 N are IALA-A The correct answer is: False

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16
Q

A white buoy with a open faced orange diamond signifies…. 1. Danger 2. Exclusion Zone 3. Certain Operating Restrictions

A

The correct answer is: Number 1 Danger

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17
Q

A white buoy with an orange vertical diamond having a cross centered in it signifies…. 1. Danger 2. Exclusion Zone 3. Certain Operating Restrictions

A

The correct answer is: Number 2 Exclusion Zone

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18
Q

A white buoy with an orange circular shape signifies…. 1. Danger 2. Exclusion Zone 3. Certain Operating Restrictions

A

The correct answer is: Number 3 Certain Operating Restrictions

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19
Q

An ATON that is permenently fixed to the earth’s surface is a ______.

A

beacon

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20
Q

Ice over the lights of an ATON can make a colored light appear _____ in color.

A

White

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21
Q

The observed intensity of a light can be used as a reliable indicator of distance.

A

The correct answer is: False

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22
Q

Sectors in the light list are bearings from the light to the observer.

A

They are bearings from the observer to the light. The correct answer is: False

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23
Q

Sectors in the light list are bearings from the light to the observer.

A

They are bearings from the observer to the light. The correct answer is: False

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24
Q

Some atmospheric conditions such as haze or smoke can give a white light a ___ hue.

A

You could have answered with any of the following: 1. red

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25
Q

____ sectors are use to mark obstruction areas.

A

You could have answered with any of the following: 1. red

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26
Q

The cut-off of light sectors are accurate enough for navigation.

A

They are approximate. The correct answer is: False

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27
Q

Oil well structures are listed in the light list.

A

The correct answer is: False

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28
Q

Only ATON with red or green lights have lateral significance.

A

The correct answer is: True

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29
Q

Lights with lateral significance may display lights with _____ rhythems 1. flashing 2. quick 3. isophase 4. occulting 5. AlWR 6. Group Flashing

A

The correct answer is: Number 1 flashing and Number 2 quick and Number 3 isophase and Number 4 occulting

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30
Q

Pillar, Spar, Lighted, Sound in themselves convey lateral significance.

A

Number, color, light charactaristics convey meaning. The correct answer is: False

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31
Q

Sound signals activated by keying a VHF radio normally operate for _____ minutes.

A

You could have answered with any of the following: 1. 30 2. thrity

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32
Q

Clearance gauges are located on the _____ bridge pier. 1. left 2. right

A

The correct answer is: Number 2 right

33
Q

Which branch of the military maintains GPS 1. USN 2. USAF 3. USMC 4. USA 5. USCG

A

The correct answer is: Number 2 USAF

34
Q

A minimum of ____ GPS satelites are needed for a two dimentional fix.

A

You could have answered with any of the following: 1. three 2. 3

35
Q

DGPS is accurate _____. 1. At any distance when in range of the transmitter 2. When closer to the transmitter 3. When at least 5nm from the transmitter

A

The correct answer is: Number 2 When closer to the transmitter

36
Q

Flashing lights do not normally exceed ____ flashes per minute

A

You could have answered with any of the following: 1. thrity 2. 30

37
Q

Special flashing lights may have fixed or flashing light rhythm, but ____ is prefered. 1. fixed 2. flashing

A

The correct answer is: Number 2 flashing

38
Q

Information and regulatory marks may show a white light with any rhythm but _____ 1. Isophase 2. Flashing 3. Flashing (2) 4. Morse ‘A’ 5. Quick Flashing 6. Occulting

A

The correct answer is: Number 3 Flashing (2) and Number 4 Morse ‘A’ and Number 5 Quick Flashing

39
Q

At locations where a distinct caution signal is needed (sharp turns, obstructions) ______ is used. 1. Isophase 2. Flashing 3. Flashing (2) 4. Morse ‘A’ 5. Quick Flashing 6. Occulting

A

The correct answer is: Number 5 Quick Flashing

40
Q

Only lateral ATON are numbered

A

The correct answer is: True

41
Q

Numbers used with lateral ATON may have a letter as a _______. 1. prefix 2. suffix

A

The correct answer is: Number 2 suffix

42
Q

The letter ‘C’ in a dayboard description signifies a ______.

A

You could have answered with any of the following: 1. crossing

43
Q

The letter ‘J’ in a dayboard description signifies a ______.

A

You could have answered with any of the following: 1. junction

44
Q

The letter ‘K’ in a dayboard description signifies a ______.

A

You could have answered with any of the following: 1. range

45
Q

The letter ‘M’ in a dayboard description signifies a ______.

A

You could have answered with any of the following: 1. safe water

46
Q

The letter ‘N’ in a dayboard description signifies a ______.

A

No lateral significance

47
Q

The letter ‘S’ in a dayboard description signifies a ______.

A

You could have answered with any of the following: 1. square

48
Q

The letter ‘T’ in a dayboard description signifies a ______.

A

You could have answered with any of the following: 1. triangle

49
Q

The characteristics of a light can appear to change as the distance to the light changes.

A

The correct answer is: True

50
Q

Ranges may only display white lights

A

The correct answer is: False

51
Q

If lateral lights or marks are used to mark a bridge opening then the adjacent piers are marked with ______ lights. 1. white 2. yellow 3. flashing 4. red

A

The correct answer is: Number 2 yellow

52
Q

If lateral marks are used to mark a bridge span, a safe water mark may be used. Its light rhythm will be _______. 1. Occulting 2. Flashing 3. Morse ‘A’ 4. Morse ‘B’

A

The correct answer is: Number 1 Occulting

53
Q

The draw span of a floating bridge may be marked with a yellow diamond and a yellow light with a _____ rhythm. 1. Occulting 2. Flashing 3. Morse ‘A’ 4. Morse ‘B’

A

The correct answer is: Number 4 Morse ‘B’

54
Q

Clearance gauges at a span indicate…. 1. available depth of water 2. available vertical clearance

A

The correct answer is: Number 2 available vertical clearance

55
Q

RACONs may only be used on non-laterally significant ATON.

A

They may be used on both lateral and non-lateral aids. The correct answer is: False

56
Q

All RACONs on operate only in the ‘X-band’

A

They all operate in the ‘X-band’ and some operate in the ‘S-band’ also. The correct answer is: False

57
Q

The nominal range of a Racon is ____ to ____ nautical miles. 1. 4-6 2. 6-8 3. 7-9 4. 8-10

A

They may be seen 17nm when mounted at 50’. The correct answer is: Number 2 6-8

58
Q

The use of FTC will ______ the return seen from a RACON. 1. increase 2. decrease

A

The correct answer is: Number 2 decrease

59
Q

RACONs can be measured presisely at the point which the RACON begins.

A

Normally about 50 meters from the actual ATON, due to response delay. The correct answer is: False

60
Q

GPS consists of a network of _____ satelites.

A

You could have answered with any of the following: 1. 24 2. twenty four

61
Q

GPS provides horizontal accuracy of ____ meters ____% of the time 1. 15, 90 2. 16, 90 3. 17, 95 4. 18, 95

A

The correct answer is: Number 3 17, 95

62
Q

DGPS range is 40 - ____ nautical miles

A

You could have answered with any of the following: 1. 300

63
Q

DGPS range is ____ - 300 nautical miles

A

You could have answered with any of the following: 1. 40 2. fourty

64
Q

DGPS operates at 285 to ___ kHz

A

285-325 You could have answered with any of the following: 1. 325

65
Q

DGPS operates at ___ to 325 kHz

A

285-325 You could have answered with any of the following: 1. 285

66
Q

DGPS offers accuracy of 1-____ meters

A

You could have answered with any of the following: 1. five 2. 5

67
Q

Uses electricity of compressed air to vibrate a disc diaphragm.

A

Horn

68
Q

A group of saucer shaped bells used to produce different tones.

A

Gong

69
Q

Sound produced by means of a slotted piston moved back and forth by compressed air.

A

Diaphone If ‘two-tone’ the second tone is lower pitched

70
Q

Sound produced by hammers operated by electricity or wave movement.

A

Bell

71
Q

Sound signal which uses electricity or compressed air to actuate either a disc or cup shaped rotor.

A

Siren

72
Q

A wave actuated sound signal which produces sound by emitting compressed air through a circumferential slot into a cylindrical bell chamber.

A

Whistle

73
Q

The greatest range that a light can be expected to be seen given its nominal range and meteorological conditions.

A

Luminous Range

74
Q

The greatest range an object can be seen due to the curvature of the earth.

A

Geographic Range

75
Q

A low intensity light that may be mounted on the structure of another light to enable the mariner to keep the latter light in sight when passing out of its beam during transit.

A

Passing Light

76
Q

A light which successive groups in a period have different number of flashes.

A

Composite Group Flashing Fl (2+1)

77
Q

A light which successive groups in a period have different number of eclipses.

A

Composite Group Occulting Oc (2+1)

78
Q

A light in which a group of eclipses, specified in numbers, is regularly repeated.

A

Group-Occulting Oc (2)

79
Q

A light in which a group of flashes, specified in numbers, is regularly repeated.

A

Group-Flashing Fl (2)